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Finding the Fourth Proportional to 12,569.54, 18,854.03 and 6,327.88

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Solution

The fourth proportional to 12,569.54, 18,854.03 and 6,327.88 is: 9,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,569.54 : 18,854.03 = 6,327.88 : x
  2. Step 2: Convert to fraction form
    12,569.54/18,854.03 = 6,327.88/x
  3. Step 3: Cross multiply
    12,569.54x = 18,854.03 × 6,327.88
  4. Step 4: Simplify right side
    12,569.54x = 119,305,960.58
  5. Step 5: Solve for x
    x = 119,305,960.58/12,569.54
  6. Step 6: Final answer
    x = 9,491.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.